SADI metal ‘threads’ are not for stitching, but rather for surface decoration. A variation of these decorative threads was used long ago on textiles from India and beyond. Early royal versions of these threads were real gold...these are not, so sorry. This type of textile decoration is still being used today, and these are what you need to achieve that look. As I said, the gold is not actually gold, but gold color; the silver has silver content and may tarnish depending on conditions. They are made like a Slinky...except they do not retract, so if you stretch them out, they stay stretched. They are attached to the textile by couching or some other form of tacking them down.
SHISHA are the mirrors you often see on East Indian textiles (as well as textiles from other countries). The ones I have are round or diamond shaped, two sizes of each. I have photographed them with a dime in the image for size reference (sorry about the coin size variation---my photography, not the dimes!).
Click on an image to see a larger view of the SADI.

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SAD:BSG Sadi: Broad Smooth Gold
$6.50
2.19 YDS.
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SAD:BSS Sadi: Broad Smooth Silver
$6.50
2.19 YDS.
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SAD:FSG Sadi: Fine Smooth Gold
$6.50 3.80 YDS.
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SAD:FSS Sadi: Fine Smooth Silver
$6.50 3.80 YDS.
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SAD:BCG Sadi: Broad Check Gold
$6.50
2.19 YDS.
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SAD:BCS Sadi: Broad Check Silver
$6.50
2.19 YDS.
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SAD:FCG Sadi: Fine Check Gold
$6.50
3.30 YDS.
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SAD:FCS Sadi: Fine Check Silver
$6.50
3.30 YDS.
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SAD:PG Sadi: Pearl Gold
$6.50
2.19 YDS.
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SAD:PS Sadi: Pearl Silver
$6.50
2.19 YDS.
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SH:LR (3/4” DIAM.) Shisha: Large Round
$6.50
18 pieces/tube
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SH:SR (1/2” DIAM.) Shisha: Small Round
$6.50
30 pieces/tube
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SH:LD (1 1/4”) Shisha: Large Diamond
$6.50
14 pieces/tube
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SH:SD (3/4”) Shisha: Small Diamond
$6.50
22 pieces/tube
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